CN211387444U - Movable positioning pin mechanism - Google Patents
Movable positioning pin mechanism Download PDFInfo
- Publication number
- CN211387444U CN211387444U CN201920982943.7U CN201920982943U CN211387444U CN 211387444 U CN211387444 U CN 211387444U CN 201920982943 U CN201920982943 U CN 201920982943U CN 211387444 U CN211387444 U CN 211387444U
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- China
- Prior art keywords
- piston rod
- connector
- boss
- locating pin
- cylinder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a mobile location pin mechanism, it includes the support, is provided with axle bed and cylinder on the support, and the shaft hole of axle bed is arranged with the piston rod of cylinder is coaxial, is connected with the locating pin on the piston rod, locating pin and shaft hole sliding fit, and the locating pin is provided with the grafting boss towards the one end of piston rod, and the end connection of piston rod has the connector, is provided with on the connector be used for with grafting boss complex inserting groove. The utility model discloses simple structure, convenient to use, easy installation and dismantlement are favorable to adjusting the concentricity of locating pin and axle sleeve, have reduced wearing and tearing and have prolonged locating pin life.
Description
Technical Field
The utility model relates to a locating pin mechanism belongs to the motorcycle type and carries switching positioner technical field, concretely relates to mobile location pin mechanism.
Background
At present, a cylinder is adopted to drive a positioning pin positioning clamp or a workpiece on an automobile welding and transmission production line, some positioning pins and the cylinder are pushed by a flat cylinder, and a joint is directly in threaded connection with a guide post, as shown in the specification of chinese utility model CN205393865U and figures 3 and 4, it discloses a tool positioning mechanism, which comprises a frame, a first positioning pin and a first air cylinder, wherein round holes are arranged at the corresponding positions of an upper flat plate and a lower flat plate of the frame, the first air cylinder is arranged on the lower flat plate, the first positioning pin sequentially penetrates through the round holes on the upper flat plate and the lower flat plate and is connected with the first air cylinder, a positioning hole matched with the positioning pin is arranged on the tool, the mechanism is easy to cause the matching error of the positioning pin and the bearing, so that the positioning pin and the bearing are seriously worn after working and using for a short time, the rejection rate of parts is high, the service life of the positioning pin is shortened, and the positioning precision of the positioning pin cannot be effectively realized.
Disclosure of Invention
The utility model discloses a mobile location pin mechanism, its simple structure, convenient to use not only are favorable to adjusting the concentricity of locating pin and axle sleeve moreover, improve its repeated positioning accuracy, have prolonged part life.
For solving the technical problem, the utility model discloses a such mobile location round pin mechanism, it includes the support, is provided with axle bed and cylinder on the support, and the shaft hole of axle bed is arranged with the piston rod of cylinder is coaxial, is connected with the locating pin on the piston rod, locating pin and shaft hole sliding fit, and the locating pin is provided with the grafting boss towards the one end of piston rod, and the end connection of piston rod has the connector, is provided with on the connector to be used for with grafting boss complex inserting groove.
In a preferred embodiment of the present invention, the shape of the insertion groove corresponds to the shape of the insertion boss.
In a preferred embodiment of the present invention, the cross-sectional shape of the insertion boss is T-shaped.
In a preferred embodiment of the present invention, the cross-sectional shape of the insertion groove is T-shaped.
In a preferred embodiment of the present invention, the piston rod is connected to the connector by a screw thread.
In a preferred embodiment of the present invention, the piston rod and the end portion of the connector are externally threaded, and the piston rod and the connector are connected by a nut and a thread.
In a preferred embodiment of the present invention, the end of the piston rod is processed with a guiding groove, and the end of the connector is processed with a guiding boss for cooperating with the guiding groove.
In a preferred embodiment of the present invention, the shaft seat and the cylinder are sequentially spaced from top to bottom along the vertical direction. In a preferred embodiment of the invention, the adjusting shims on different sides of the table plate have different thicknesses.
The utility model has the advantages that: the utility model discloses simple structure, convenient to use, easy installation and dismantlement, it is through increasing the connecting block between the piston rod of locating pin and cylinder to make locating pin and connecting block pass through the draw-in groove structure and peg graft, thereby make and to float between locating pin and the piston rod, thereby be favorable to adjusting the concentricity of locating pin and axle sleeve, reduced wearing and tearing and prolonged locating pin life, improved its repeated positioning accuracy of locating pin, prolonged part life.
Drawings
FIG. 1 is a front view of a moving detent pin mechanism;
FIG. 2 is a side view of a moving detent pin mechanism;
FIG. 3 is a shaft test chart of a moving detent pin mechanism;
fig. 4 is a schematic diagram of the engagement between the insertion boss and the insertion groove of the positioning pin moving mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As can be seen from the attached drawings of the specification of the utility model, the utility model discloses a mobile positioning pin mechanism, which comprises a support 1, wherein a shaft seat 2 and a cylinder 3 are arranged on the support 1, the shaft seat 2 and the cylinder 3 are sequentially arranged at intervals from top to bottom along the vertical direction, the shaft hole of the shaft seat 2 is coaxially arranged with the piston rod of the cylinder 3, a positioning pin 4 is connected on the piston rod 3.1, the positioning pin 4 is in sliding fit with the shaft hole, the positioning pin 4 can move up and down along the vertical direction under the action of the piston rod 3.1 through the shaft hole guide of the shaft seat 2, the positioning pin 4 is provided with an inserting boss 4.1 towards one end of the piston rod 3.1, the end part of the piston rod 3.1 is connected with a connector 5, the connector 5 is provided with an inserting groove 5.1 for being matched with the inserting boss 4.1, the connector 5 realizes the connection with the positioning pin 4 through the matching of the inserting boss 4.1 and, the size of the insertion groove 5.1 can be consistent with that of the insertion boss 4.1, and the size of the insertion groove 5.1 can be slightly larger than that of the insertion boss 4.1.
Preferably, the insertion boss 4.1 is formed by two cubes which are coaxially arranged, the cross section of the insertion boss 4.1 is in a T shape, the cross section of the insertion groove 5.1 is in a T shape, the connector 5 cannot rotate around the positioning pin 4 at the moment, the piston rod 3.1 is in threaded connection with the connector 5, external threads are machined on the outer peripheral surfaces of the end portions of the piston rod 3.1 and the connector 5, and the piston rod 3.1 is in threaded connection with the connector 5 through a nut.
Preferably, the end of the piston rod 3.1 is processed with a guide groove, the end of the connector 5 is processed with a guide boss matched with the guide groove, and the coaxiality of the piston rod 3.1 and the connector 5 in the matching connection can be ensured by the arrangement of the guide groove and the guide boss.
Preferably, the insertion boss 4.1 is formed by two coaxially arranged cylinders (stepped shaft shape), and at this time, the connector 5 can rotate around the positioning pin 4, so that a guide groove is processed at the end of the piston rod 3.1, an internal thread is processed on the inner circumferential surface of the guide groove, a guide boss for matching with the guide groove is processed at the end of the connector 5, and an external thread is processed on the outer circumferential surface of the guide boss.
The positioning pin 4 is mounted as follows: firstly, the piston rod of the cylinder 3 moves downwards to leave an assembly space for the positioning pin 4, the positioning pin 4 is matched and spliced with the splicing groove 5.1 of the connecting block 5 through the splicing boss 4.1 so as to be connected with the connecting block 5, then the piston rod of the cylinder 3 moves upwards, and the end part of the cylinder 3 is fixedly connected with the positioning pin 4 through a nut after contacting.
The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (3)
1. The utility model provides a remove locating pin mechanism, includes support (1), be provided with axle bed (2) and cylinder (3) on support (1), the shaft hole of axle bed (2) with the piston rod coaxial arrangement of cylinder (3), be connected with locating pin (4) on piston rod (3.1), locating pin (4) with shaft hole sliding fit, its characterized in that: locating pin (4) orientation the one end of piston rod (3.1) is provided with grafting boss (4.1), the end connection of piston rod (3.1) has connector (5), be provided with on connector (5) be used for with grafting boss (4.1) complex inserting groove (5.1), the shape of inserting groove (5.1) with the shape of grafting boss (4.1) is corresponding, the cross sectional shape of grafting boss (4.1) is T shape, piston rod (3.1) with the outer peripheral face processing of the tip of connector (5) has the external screw thread, piston rod (3.1) with connector (5) pass through nut threaded connection.
2. The utility model provides a remove locating pin mechanism, includes support (1), be provided with axle bed (2) and cylinder (3) on support (1), the shaft hole of axle bed (2) with the piston rod coaxial arrangement of cylinder (3), be connected with locating pin (4) on piston rod (3.1), locating pin (4) with shaft hole sliding fit, its characterized in that: the piston rod structure is characterized in that an inserting boss (4.1) is arranged at one end, facing the piston rod (3.1), of the positioning pin (4), a connector (5) is connected to the end portion of the piston rod (3.1), an inserting groove (5.1) matched with the inserting boss (4.1) is formed in the connector (5), the shape of the inserting groove (5.1) corresponds to that of the inserting boss (4.1), the cross section of the inserting boss (4.1) is T-shaped, external threads are machined on the outer peripheral faces of the end portions of the piston rod (3.1) and the connector (5), the piston rod (3.1) is in threaded connection with the connector (5) through a nut, the inserting boss (4.1) is composed of two cylinders which are coaxially arranged, the connector (5) can rotate around the positioning pin (4), a guide groove is machined in the end portion of the piston rod (3.1), and internal threads are machined in the inner peripheral face of the guide groove, the tip processing of connector (5) has and is used for with direction recess complex direction boss, and the peripheral face processing of direction boss has the external screw thread, piston rod (3.1) with connector (5) are through threaded connection.
3. A moving pin mechanism according to claim 1 or 2, wherein: the shaft seats (2) and the air cylinders (3) are sequentially arranged at intervals from top to bottom along the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920982943.7U CN211387444U (en) | 2019-06-27 | 2019-06-27 | Movable positioning pin mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920982943.7U CN211387444U (en) | 2019-06-27 | 2019-06-27 | Movable positioning pin mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211387444U true CN211387444U (en) | 2020-09-01 |
Family
ID=72227769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920982943.7U Active CN211387444U (en) | 2019-06-27 | 2019-06-27 | Movable positioning pin mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211387444U (en) |
-
2019
- 2019-06-27 CN CN201920982943.7U patent/CN211387444U/en active Active
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| GR01 | Patent grant |